using the spitfire video as an example, the URL of the actual YT page is

Take the code AFTER the = sign (giving you Wpq4Tu2NnrQ)
and insert it between the YT code

Therefore you will be left with

[yt]Wpq4Tu2NnrQ[/yt]IMPORTANT - omit the space in the [yt ]

"Forget the goals, Vicente produced the moment of the match, if not the season here at the Amex, with a slalom like run,
in which he beat six or seven players before unleashing a fierce drive that rattled the crossbar"
talkSPORT, 20 March 2012